[Oilpan] Move ScrollAnimators onto oilpan heap

third_party/WebKit/Source/platform/scroll/ProgrammaticScrollAnimator.cpp

Index: third_party/WebKit/Source/platform/scroll/ProgrammaticScrollAnimator.cpp
diff --git a/third_party/WebKit/Source/platform/scroll/ProgrammaticScrollAnimator.cpp b/third_party/WebKit/Source/platform/scroll/ProgrammaticScrollAnimator.cpp
index 4e4099afa26612a0f221efd8b60222e9ba942013..4444f2c33ea77c96c728ea06f6ca0ba875591677 100644
--- a/third_party/WebKit/Source/platform/scroll/ProgrammaticScrollAnimator.cpp
+++ b/third_party/WebKit/Source/platform/scroll/ProgrammaticScrollAnimator.cpp
@@ -18,9 +18,9 @@
 
 namespace blink {
 
-PassOwnPtr<ProgrammaticScrollAnimator> ProgrammaticScrollAnimator::create(ScrollableArea* scrollableArea)
+ProgrammaticScrollAnimator* ProgrammaticScrollAnimator::create(ScrollableArea* scrollableArea)
 {
-    return adoptPtr(new ProgrammaticScrollAnimator(scrollableArea));
+    return new ProgrammaticScrollAnimator(scrollableArea);
 }
 
 ProgrammaticScrollAnimator::ProgrammaticScrollAnimator(ScrollableArea* scrollableArea)
@@ -289,4 +289,9 @@ WebCompositorAnimationPlayer* ProgrammaticScrollAnimator::compositorPlayer() con
     return m_compositorPlayer.get();
 }
 
+DEFINE_TRACE(ProgrammaticScrollAnimator)
+{
+    visitor->trace(m_scrollableArea);
+}
+
 } // namespace blink